Date: 18 Aug 2012

Simulation Analysis of Biomass Gasification in an Autothermal Gasifier Using Aspen Plus

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Abstract

Based on simulation, biomass gasification in an autothermal gasifier is analyzed, the effects of the equivalence ratio (ER), reactor temperature and gasification pressure on the composition and the higher heating values (HHV) of the product gas are also covered. The results indicate that the temperature in the gasifier increases when the ER increases, while the HHV of the product gas decreases. In an autothermal gasifier, the temperature which is controlled by varying ER, has the same influence on the composition and HHV of the product gas as the ER does. Higher gasification pressure slightly increases the temperature in the gasifier and the HHV of the product gas.